Numerical Solution of Fourth Order Boundary Value Problems by Petrov-Galerkin Method with Quintic B-splines as basis functions and Septic B-Splines as weight functions. int. jour. eng. com. sci [Internet]. 2018 Jan. 1 [cited 2025 Dec. 5];5(8). Available from: https://ijecs.in/index.php/ijecs/article/view/2352